By Ian Hutchings Giovanni Canestrini’s models of Leonardo da Vinci’s friction experiments By Ben Regel, Jannicke Langfeldt, Louisa Burden and Mary Ryan Doping at the Science Museum: the conservation challenge of doped fabric aircraft in the Flight gallery By Elizabeth Pye Challenges of conservation: working objects By Glyn Parry Review: Scholar, courtier, magician: the lost library of John Dee (Royal College of Physicians, 18 January-29 July 2016) By Helen Graham The ‘co’ in co-production: Museums, community participation and Science and Technology Studies By Jean-Francois Gauvin Functionless: science museums and the display of 'pure objects' By Andrew McLean Flying Scotsman: modernity, nostalgia and Britain’s ‘cult of the past’ By Simon Chaplin Review: The Fate of Anatomical Collections, edited by Rina Knoeff and Robert Zwijnenberg By Jim Bennett The Science Museum and the Leonardo da Vinci Quincentenary Exhibition of 1952 By Marta Leskard A sustainable storage solution for the Science Museum Group